CN108132038A - A kind of device and method for measuring turborotor venturi minimum area - Google Patents
A kind of device and method for measuring turborotor venturi minimum area Download PDFInfo
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- CN108132038A CN108132038A CN201711296070.6A CN201711296070A CN108132038A CN 108132038 A CN108132038 A CN 108132038A CN 201711296070 A CN201711296070 A CN 201711296070A CN 108132038 A CN108132038 A CN 108132038A
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- blade
- displacement sensor
- venturi
- measuring
- measurement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/28—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring areas
Abstract
The present invention discloses a kind of device for measuring turborotor venturi minimum area,Belong to Engine Block Test technical field,Realize that positioning clamps by positioning component,Rotary rack is driven to be turned round around blade exhaust edge along the arc surface on positioning component by motor,The trapezoidal width of the first displacement sensor and second displacement sensor measurement blade venturi that are mounted on rotary rack is dynamically utilized in turning course,Utilize the trapezoidal height of third displacement sensor and the 4th displacement sensor blade venturi,The area of blade venturi is calculated by the trapezoidal width of blade venturi and height,It is blade venturi minimum area to choose minimum value,Solves measuring tool position inaccurate in the prior art,Surveyed section is not necessarily smallest cross-sectional,Measurement efficiency is low and the problem of measurement result accuracy and poor stability,Improve measurement efficiency and measurement accuracy.
Description
Technical field
The present invention relates to Engine Block Test technical field, specially a kind of measurement turborotor venturi minimum area
Device and method.
Background technology
Engine turbine guide vane throat area refers to the area of the gas channel formed between guide vane, also known as
For leaving area, it is one of important parameter for influencing engine performance, directly influences the extraction flow of engine.Venturi
The measurement of area test event important when being engine assembling.The throat track area of turbine guide blade of most of type is logical
Cross measure blade between channel specified cross-section on specified point distance, what formula was calculated.Part guide vane
Throat area is then required by finding the smallest cross-sectional of gas channel between blade and measuring what its area obtained.
These guide vane throat areas are mainly coordinated using gauge and clearance gauge at present, and channel refers between measuring blade
The width value approximation of uniform section is calculated as minimum widith, then by formula.In gauge measurement process is used, measuring tool
Position inaccurate surveys section and is not necessarily smallest cross-sectional, measurement efficiency is low and measurement result accuracy and stability very
Difference, long-standing problem turborotor manufacturer.
Invention content
For problems of the prior art, the present invention provides a kind of measurement turborotor venturi minimum area
Device and method, registration can accurately measure blade venturi minimum area.
The present invention is to be achieved through the following technical solutions：
A kind of device for measuring turborotor venturi minimum area, including positioning component, rotary rack, motor, biography
Motivation structure, the first displacement sensor, second displacement sensor, third displacement sensor and the 4th displacement sensor；
Blade exhaust edge card slot is provided on the positioning component, positioning component is used to implement and determines in blade edge
Position, positioning component is on the upper arc surface being provided with using blade exhaust edge card slot as the center of circle, rotary rack and positioning component
Arc surface is slidably connected, and one end of positioning component is provided with connecting portion, and the connecting portion is adjacent with the surveyed non-measured side of blade venturi
Blade and blade back contacts connection, motor be mounted on rotary rack on, by transmission mechanism drive rotary rack along positioning component
Arc surface rotation；
First displacement sensor and the setting of second displacement sensor parallel, on rotary rack, are respectively used to
Dynamically measure width at two on turborotor venturi；
The third displacement sensor and the 4th displacement sensor are mounted on rotary rack in opposite directions, for dynamically measuring
The height of turborotor throatpiston.
Optionally, the transmission mechanism includes worm gear, worm screw and toggle；
The worm screw connects with motor output end, worm gear and worm engaging, and worm gear drives toggle driving revolution
Rack is rotated along the arc surface on positioning component.
Optionally, the measurement end of the first displacement sensor is provided with the first measuring rod, and the first measuring rod end set has survey
Amount pin, the measurement end of second displacement sensor are provided with the second measuring rod, and the second measuring rod end set has measurement pin, measure
When, measurement pin measures side adjacent blades blade back in locating blades and slides.
Optionally, first measuring rod and the second measuring rod be respectively by spring and rotary rack, during ensureing to measure
Measurement pin fitting locating blades measure side adjacent blades leaf back.
Optionally, the first lever and the second lever, the first lever and the second lever difference are provided on the rotary rack
The both sides of rotary rack are connected to by shaft；
One end of first lever is connected with third displacement sensor end in contact, and the other end is when measuring and blade is high
Spend an EDGE CONTACT in direction；
One end of second lever is connected with the 4th displacement sensor end in contact, the other end measure when and blade with
The other edge contact in the opposite blade height direction in the first lever contact edge.
Optionally, the first lever and the position of third displacement sensor contact and the portion of the first lever and blade contact
Position is respectively arranged with measurement pin, the position and the second lever of the second lever and the contact of the 4th displacement sensor and blade contact
Position be respectively arranged with measurement pin；
Spring is provided between first lever and rotary rack, spring is provided between the second lever and rotary rack, with
The edge in measurement pin fitting blade height direction when ensureing to measure.
Optionally, the both sides of the positioning component blade edge card slot are respectively arranged with positioning pin and tight lifting pin, positioning
Positioning component is fixed on blade edge by pin and tight lifting pin cooperation.
The measuring method of device based on measurement turborotor venturi minimum area, including：
Positioning component is mounted on blade by step S1, and blade edge card slot is stuck in blade edge；
Step S2 starts motor, and motor drives rotary rack to be turned round along the arc surface of positioning component by transmission mechanism,
By width at two on the first displacement sensor and second displacement sensor respectively dynamic measurement blade throatpiston, pass through
Third displacement sensor and the 4th displacement sensor dynamic measure the height of blade throatpiston；
By width and height at two on the blade throatpiston that is measured in step S2, blade is calculated in step S3
The area of throatpiston chooses minimum value therein, as turborotor venturi minimum area.
Optionally, when calculating the area of blade throatpiston, data used are the first displacement sensor, second displacement
Sensor, third displacement sensor and the 4th displacement sensor obtain data in same time measurement.
Compared with prior art, the present invention has technique effect beneficial below：
The present invention discloses a kind of device for measuring turborotor venturi minimum area, and it is fixed to be realized by positioning component
Position clamps, and rotary rack is driven to be turned round around blade exhaust edge along the arc surface on positioning component by motor, in turning course
In dynamically using be mounted on rotary rack on the first displacement sensor and second displacement sensor measurement blade venturi it is trapezoidal
Width, using the trapezoidal height of third displacement sensor and the 4th displacement sensor blade venturi, pass through blade venturi
Trapezoidal width and height calculates the area of blade venturi, and it is blade venturi minimum area to choose minimum value, is solved existing
Measuring tool position inaccurate in technology surveys section and is not necessarily smallest cross-sectional, measurement efficiency is low and measurement result accuracy and
The problem of stability is poor improves measurement efficiency and measurement accuracy.
Further, by setting spring respectively between the first measuring rod and the second measuring rod and rotary rack, ensure
Measurement pin is bonded vacuum side of blade during measurement.
Further, by setting spring between the first lever and rotary rack, between the second lever and rotary rack
Spring is set, measurement pin fitting blade edge when ensureing to measure.
The present invention discloses a kind of method for measuring turborotor venturi minimum area, by being mounted on rotary rack
On the trapezoidal width of the first displacement sensor and second displacement sensor measurement blade venturi, utilize third displacement sensor
The trapezoidal height with the 4th displacement sensor blade venturi calculates blade by the trapezoidal width of blade venturi and height
The area of venturi, it is blade venturi minimum area to choose minimum value, solves measuring tool position inaccurate in the prior art, institute
It surveys section and is not necessarily smallest cross-sectional, measurement efficiency is low and the problem of measurement result accuracy and poor stability, improves survey
Amount efficiency and measurement accuracy.
Description of the drawings
Fig. 1 is the principle schematic for measuring turborotor venturi minimum area；
Fig. 2 is the trapezoidal measuring point schematic diagram of blade venturi；
Fig. 3 is a kind of apparatus structure schematic diagram for measuring turborotor venturi minimum area；
Fig. 4 is a kind of device partial structural diagram for measuring turborotor venturi minimum area；
Fig. 5 is positioning device structure schematic diagram；
Fig. 6 is the first displacement sensor scheme of installation；
Fig. 7 is the third and fourth displacement sensor scheme of installation；
Fig. 8 is transmission mechanism structure diagram.
In figure：01. measures lateral lobe piece, 02. locating blades, 03. non-measured lateral lobe piece, 1. positioning components, 2. turn-around machines
Frame, 3. positioning pins, 4. tight lifting pins, 5. measurement pins, 61. first measuring rods, 62. second measuring rods, 71. first displacement sensors,
72. second displacement sensor, 73. third displacement sensors, 74. the 4th displacement sensors, 8. first bar bars, 9. second levers,
10. measurement pin, 11. motors, 12. worm screws, 13. turbines, 14. cranks, 15. connecting rods, 16. columns.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail, and described is explanation of the invention
Rather than it limits.
Fig. 1 is the principle schematic for measuring turborotor venturi minimum area, as shown in Figure 1, required measurement is
02 exhaust edge of locating blades to measure 01 blade back of side adjacent blades minimum range.It can be in blade in order to measure this distance
Measuring point as shown in Figure 2 is set to measure on throatpiston.
As shown in Fig. 3 to Fig. 7, it is a kind of measure turborotor venturi minimum area device, including positioning component 1,
Rotary rack 2, motor 11, transmission mechanism, the first displacement sensor 71, second displacement sensor 72, third displacement sensor 73
With the 4th displacement sensor 74；
As shown in figure 4, being provided with blade exhaust edge card slot on positioning component 1, positioning component 1 is used to implement in blade
The positioning at edge is provided with the arc surface using blade exhaust edge card slot as the center of circle, rotary rack 2 and positioning on positioning component 1
Arc surface on component 1 is slidably connected, and one end of positioning component 1 is provided with connecting portion, and the connecting portion and locating blades are non-measured
Adjacent 03 blade back of blade in side connects, and motor 11 is mounted on rotary rack 2, and rotary rack 2 is driven by transmission mechanism
It is rotated along the arc surface on positioning component 1；
First displacement sensor 71 and second displacement sensor 72 are arranged in parallel, and on rotary rack 2, use respectively
In dynamically measure trapezoidal turborotor venturi two at width；73 and the 4th displacement sensor 74 of third displacement sensor
It is mounted on rotary rack 2 in opposite directions, for dynamically measuring the height of turborotor throatpiston.
As shown in figure 8, transmission mechanism includes worm gear 13, worm screw 12 and toggle；Worm screw 12 and motor 11 export
End connection, worm gear 13 and worm screw 12 engage, and worm gear 13 drives 14 link mechanism of crank to drive rotary rack 2 along positioning component 1
Arc surface rotation.Wherein, worm gear 13 drives crank 14 to rotate, and the one end of connecting rod 15 far from crank 14 and is fixed on positioning group
Column connection on part 1, drives rotary rack 2 to move by column.
The measurement end of first displacement sensor 71 is provided with the first measuring rod 61, and 61 end set of the first measuring rod has survey
Pin 5 is measured, the measurement end of second displacement sensor 72 is provided with the second measuring rod 62, and 62 end set of the second measuring rod has measurement
Pin 5, during measurement, measurement pin is measuring 01 Dorsal glide of lateral lobe piece.First measuring rod 61 and the second measuring rod 62 pass through bullet respectively
Spring and rotary rack 2, measurement pin fitting vacuum side of blade when being measured with guarantee.
The first lever 8 and the second lever 9 are provided on rotary rack 2, the first lever 8 and the second lever 9 are respectively by turning
Axis connection can be rotated in the both sides of rotary rack 2, the first lever 8 and the second lever 9 rotating around its shaft；First lever 8
One end and 73 measurement end of third displacement sensor connect, and the other end is when measuring and the EDGE CONTACT in blade height direction；
One end of second lever 9 and 74 measurement end of the 4th displacement sensor connect, and the other end is when measuring and blade and the first thick stick
The opposite blade edge contact of 8 engagement edge of bar.
The position and the position of the first lever 8 and blade contact point that first lever 8 and third displacement sensor 73 contact
It is not provided with measurement pin 10, the position and the second lever 9 of the second lever 9 and the contact of the 4th displacement sensor 74 and blade connect
Tactile position is respectively arranged with measurement pin；
Spring is provided between first lever 8 and rotary rack 2, bullet is provided between the second lever 9 and rotary rack 2
Spring, measurement pin fitting blade edge when being measured with guarantee.
The both sides of 1 blade edge card slot of positioning component are respectively arranged with positioning pin 3 and tight lifting pin 4, positioning pin 3 and top
Tight pin 4, which coordinates, is fixed on positioning component 1 on blade edge, and 1 remotely located pin 3 of positioning component and 4 one end of tight lifting pin are provided with
Connecting portion, connecting portion blade 03 blade back adjacent with surveyed blade venturi connect.
The measuring method of the device based on the embodiment of the present invention for measuring turborotor venturi minimum area,
Including：
Step S1 is adjusted the device for measuring turborotor venturi minimum area to original state, by positioning component
1 is mounted on blade, and blade edge card slot is stuck in blade edge；
Step S2, starts motor 11, and motor 11 drives Inner arc of the rotary rack 2 along positioning component 1 by transmission mechanism
Exterior arc surface turns round, and by the first displacement sensor 71 and second displacement sensor 72, dynamic measures blade throatpiston respectively
On two at width, the height of blade throatpiston is dynamically measured by 73 and the 4th displacement sensor 74 of third displacement sensor
Degree；
By width and height at two on the blade throatpiston that is measured in step S2, blade is calculated in step S3
The area of throatpiston chooses minimum value therein, as turborotor venturi minimum area.
It should be noted that original state is a kind of measurement turborotor venturi minimum area provided by the invention
Device design zero, i.e., return to zero before measuring.
When calculating the area of blade throatpiston, data used are the first displacement sensor 71, second displacement sensor
72nd, 73 and the 4th displacement sensor 74 of third displacement sensor obtains data in same time measurement.
A kind of principle of device for measuring turborotor venturi minimum area provided in an embodiment of the present invention is as follows：
Determine positioning datum, Design Orientation device：It is required that the blade venturi minimum area measured, refers to that blade is vented side
Edge is to the minimum area in section between adjacent blades blade back.Therefore positioning component 1 is designed using blade exhaust edge as positioning base
Standard, positioning component 1 are the arc-shaped surface centered on blade exhaust edge with 2 matching surface of rotary rack, ensure rotary rack
2, which can surround exhaust edge, swings, so as to find blade exhaust edge to the smallest cross-sectional between adjacent blades blade back and measurement
Its area.
Determine specified cross-section position：Blade exhaust edge is approximately trapezoidal to section between adjacent blades blade back, measures larynx
Road area is the width value and height value by measuring trapezoidal two specified cross-sections, and minimum trapezoidal area is calculated with formula.Cause
This, positioning component 1 is designed with positioning pin 3 and tight lifting pin 4, and measuring device is fixed to and is measured on blade, to determine to measure
The position in section, wherein, specified cross-section refers to where the wide line of trapezoidal venturi face designated position to be measured and this is trapezoidal
The vertical face in venturi face.
It should be noted that the blade venturi height being previously mentioned in the embodiment of the present invention refers to bottom to bottom on trapezoidal venturi
Between height, the width of blade venturi refers to the length of two specified cross-sections and the trapezoidal intersection of venturi at two.
Measure specified cross-section width：The width in trapezoidal two sections is measured by being mounted on corresponding position on rotary rack 2
First measuring rod 61 and the second measuring rod 62 and the first displacement sensor 71 and second displacement sensor 72 are completed, and work as revolution
When rack 2 carries out reciprocally swinging using blade exhaust edge as the centre of gyration, the first measuring rod 61 and the second measuring rod 62 are with returning
Frame 2 make a connection around blade exhaust edge synchronous revolving, the measurement pin being fixed on the first measuring rod 61 and the second measuring rod 62 will
The change in displacement that position is measured on blade back is transmitted to the first displacement sensor 71 and second displacement sensor 72 in real time, from
And dynamically measure multiple trapezoidal width on two specified cross-sections.
Measure trapezoid cross section height：Trapezoid cross section height is measured by being fixed on the first thick stick of corresponding position on rotary rack 2
8 and second lever of bar, 9 mechanism and 73 and the 4th displacement sensor 74 of third displacement sensor are completed, when rotary rack 2 is with leaf
When piece exhaust edge carries out reciprocally swinging for the centre of gyration, the first bar bar and the second lever 9 are as rotary rack 2 is around blade
Exhaust edge synchronous revolving is fixed on the measurement pin on the first bar bar and the second lever 9 in real time by the displacement of measured point
1：1 ground is transmitted to 73 and the 4th displacement sensor 74 of third displacement sensor, so as to dynamically measure multiple trapezoid cross sections
Highly.
Transmission mechanism completes the swing of rotary rack 2：The swing of rotary rack 2 is complete by motor 11 and its transmission mechanism
Into.Motor 11 is fixed on rotary rack 2, motor 11 exports axis connection scroll bar, is realized and slowed down by worm gear mechanism,
It by the four-bar mechanism of the compositions such as crank 14, connecting rod 15, is connect with the column 16 being fixed on positioning component 1, driving revolution
Rack 2 completes the swing using blade exhaust edge as the centre of gyration, so as to fulfill a certain range intra vane row is dynamically measured
Gas edge is to the area in sections several between adjacent blades blade back.
Minimum area measures：In blade throat area measurement process, computer system special measurement program is passed from each displacement
The multigroup trapezoid cross section width of sensor dynamic access and height value with calculation formula, calculate corresponding trapezoid cross section area value,
And wherein minimum area value is obtained.
The specific embodiment lifted of the present invention is only the annotation to the invention spirit, the technology people of technical field
Member can modify to the specific embodiment of description or similar method substitutes, without departing from the spirit of the present invention.
Claims (9)
1. a kind of device for measuring turborotor venturi minimum area, which is characterized in that including positioning component (1), revolution
Rack (2), motor (11), transmission mechanism, the first displacement sensor (71), second displacement sensor (72), third displacement sensing
Device (73) and the 4th displacement sensor (74)；
Blade exhaust edge card slot is provided on the positioning component (1), positioning component (1) is used to implement and determines in blade edge
, the arc surface using locating blades exhaust edge card slot as the center of circle, rotary rack (2) and positioning are provided on positioning component (1)
Exterior arc surface on component (1) is slidably connected, and one end of positioning component (1) is provided with connecting portion, the connecting portion and locating blades
The adjacent blade and blade back contacts connection in non-measured side, motor (11) are driven back on rotary rack (2) by transmission mechanism
Frame (2) of making a connection is rotated along the exterior arc surface on positioning component (1)；
First displacement sensor (71) and second displacement sensor (72) are arranged in parallel, on rotary rack (2), point
Width at two on turborotor venturi Yong Yu not be measured dynamically；
The third displacement sensor (73) and the 4th displacement sensor (74) are mounted on rotary rack (2) in opposite directions, for moving
State measures the height of turborotor throatpiston.
2. a kind of device for measuring turborotor venturi minimum area as described in claim 1, which is characterized in that described
Transmission mechanism includes worm gear (13), worm screw (12) and toggle；
The worm screw (12) connects with motor (11) output terminal, and worm gear (13) and worm screw (12) engagement, worm gear (13) drive crank
Link mechanism driving rotary rack (2) is rotated along the exterior arc surface on positioning component (1).
3. a kind of device for measuring turborotor venturi minimum area as described in claim 1, which is characterized in that first
The measurement end of displacement sensor (71) is provided with the first measuring rod (61), and the first measuring rod (61) end set has measurement pin, the
The measurement end of two displacement sensors (72) is provided with the second measuring rod (62), and the second measuring rod (62) end set has measurement pin,
During measurement, measurement pin is measured in locating blades and is slided on the adjacent blades blade back of side.
4. a kind of device for measuring turborotor venturi minimum area as claimed in claim 3, which is characterized in that described
First measuring rod (61) and the second measuring rod (62) are respectively by spring and rotary rack (2), and measurement pin is pasted when being measured with guarantee
It closes locating blades and measures side adjacent blades blade back.
5. a kind of device for measuring turborotor venturi minimum area as described in claim 1, which is characterized in that described
The first lever (8) and the second lever (9) are provided on rotary rack (2), the first lever (8) and the second lever (9) pass through respectively
Shaft is connected to the both sides of rotary rack (2)；
One end of first lever (8) and third displacement sensor (73) measurement end connect, and the other end is when measuring and blade
One EDGE CONTACT of short transverse；
One end of second lever (9) and the 4th displacement sensor (74) measurement end connect, and the other end is when measuring and blade
The other edge in the blade height direction opposite with the first lever (8) engagement edge contacts.
6. a kind of device for measuring turborotor venturi minimum area as claimed in claim 5, which is characterized in that first
The position and the position of the first lever (8) and blade contact of lever (8) and third displacement sensor (73) contact are set respectively
There is a measurement pin, the position and the second lever (9) of the second lever (9) and the contact of the 4th displacement sensor (74) and blade contact
Position is respectively arranged with measurement pin；
Spring is provided between first lever (8) and rotary rack (2), is provided between the second lever (9) and rotary rack (2)
Spring, measurement pin fitting blade height direction edge when being measured with guarantee.
7. a kind of device for measuring turborotor venturi minimum area as described in claim 1, which is characterized in that described
The both sides of positioning component (1) blade edge card slot are respectively arranged with positioning pin (3) and tight lifting pin (4), positioning pin (3) and hold out against
Positioning component (1) is fixed on blade edge by pin (4) cooperation.
8. the measurement side of the device of turborotor venturi minimum area is measured based on claim 1-7 any one of them
Method, which is characterized in that including：
The device for measuring turborotor venturi minimum area is adjusted to position is started, positioning component (1) is pacified by step S1
On blade, blade edge card slot is stuck in blade edge；
Step S2, starts motor (11), and motor (11) drives rotary rack (2) along the outer of positioning component (1) by transmission mechanism
Arc surface turns round, and by the first displacement sensor (71) and second displacement sensor (72), dynamic measures blade throatpiston respectively
On two at width, blade throatpiston is measured by third displacement sensor (73) and the 4th displacement sensor (74) dynamic
Highly；
By width and height at two on the blade throatpiston that is measured in step S2, blade venturi is calculated in step S3
The area in section chooses minimum value therein, as turborotor venturi minimum area.
9. method as claimed in claim 8, which is characterized in that when calculating the area of blade throatpiston, data used are
First displacement sensor (71), second displacement sensor (72), third displacement sensor (73) and the 4th displacement sensor (74)
Data are obtained in same time measurement.
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| CN201711296070.6A CN108132038B (en) | 2017-12-08 | 2017-12-08 | A kind of device and method measuring turborotor venturi minimum area |
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| CN201711296070.6A CN108132038B (en) | 2017-12-08 | 2017-12-08 | A kind of device and method measuring turborotor venturi minimum area |
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| CN108132038B CN108132038B (en) | 2019-11-12 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111521145A (en) * | 2020-04-30 | 2020-08-11 | 中国航发成都发动机有限公司 | Turbine guide blade exhaust area measuring device and measuring method |
| CN112372242A (en) * | 2020-10-30 | 2021-02-19 | 重庆江增船舶重工有限公司 | Processing method of variable throat diffuser of supercharger |
| CN113279817A (en) * | 2021-06-08 | 2021-08-20 | 哈尔滨汽轮机厂有限责任公司 | Method for correcting influence of blade end rounding on flow |
| CN113607119A (en) * | 2021-07-26 | 2021-11-05 | 中国船舶重工集团公司第七0三研究所 | Method for measuring throat area of marine gas turbine blade based on characteristic dimension |
| CN113701665A (en) * | 2021-08-27 | 2021-11-26 | 中国航发沈阳黎明航空发动机有限责任公司 | Digital scanning measurement method for exhaust area of guide vane |
| CN114910030A (en) * | 2022-05-17 | 2022-08-16 | 安徽应流航源动力科技有限公司 | Method for measuring throat distance of multi-connected blade |
| CN116164695A (en) * | 2023-04-23 | 2023-05-26 | 中国航发沈阳发动机研究所 | Turbine guide and exhaust area measurement method thereof |
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| CN112372242A (en) * | 2020-10-30 | 2021-02-19 | 重庆江增船舶重工有限公司 | Processing method of variable throat diffuser of supercharger |
| CN113279817A (en) * | 2021-06-08 | 2021-08-20 | 哈尔滨汽轮机厂有限责任公司 | Method for correcting influence of blade end rounding on flow |
| CN113607119A (en) * | 2021-07-26 | 2021-11-05 | 中国船舶重工集团公司第七0三研究所 | Method for measuring throat area of marine gas turbine blade based on characteristic dimension |
| CN113701665A (en) * | 2021-08-27 | 2021-11-26 | 中国航发沈阳黎明航空发动机有限责任公司 | Digital scanning measurement method for exhaust area of guide vane |
| CN113701665B (en) * | 2021-08-27 | 2023-08-15 | 中国航发沈阳黎明航空发动机有限责任公司 | Digital scanning measurement method for exhaust area of guide vane |
| CN114910030A (en) * | 2022-05-17 | 2022-08-16 | 安徽应流航源动力科技有限公司 | Method for measuring throat distance of multi-connected blade |
| CN116164695A (en) * | 2023-04-23 | 2023-05-26 | 中国航发沈阳发动机研究所 | Turbine guide and exhaust area measurement method thereof |
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